The effect of object size on the sensitivity of single photon emission computed tomography: comparison of two CZT cardiac cameras and an Anger scintillation camera [0.03%]
对象大小对单光子发射计算机断层扫描灵敏度的影响：两种CZT心脏相机与Anger闪烁照相仪的比较
Elazar A Bienenstock,Marguerite Ennis
Elazar A Bienenstock
Background: Heart sizes vary greatly across the spectrum of patients referred for myocardial perfusion imaging. We therefore performed a phantom study to explore under controlled circumstances how count rates change when ...
The influence of different signal-to-background ratios on spatial resolution and F18-FDG-PET quantification using point spread function and time-of-flight reconstruction [0.03%]
不同的信噪比对点扩散函数和飞行时间重建的PET空间分辨率及18F-FDG定量的影响研究
Julian Mm Rogasch,Frank Hofheinz,Alexandr Lougovski et al.
Julian Mm Rogasch et al.
Background: F18-fluorodeoxyglucose positron-emission tomography (FDG-PET) reconstruction algorithms can have substantial influence on quantitative image data used, e.g., for therapy planning or monitoring in oncology. We ...
New prospects for PET in prostate cancer imaging: a physicist's viewpoint [0.03%]
前列腺癌影像中PET的新前景——一位物理学家的观点
Maurizio Conti
Maurizio Conti
Prostate cancer is one of the most common forms of cancer among men. Early diagnosis, correct staging, accurate detection of metastasis, and monitoring of the therapy are the key tasks that could greatly benefit from medical imaging. After ...
Robin de Nijs,Björn Neumann Jensen,Jann Mortensen
Robin de Nijs
Due to low counts in an (111)In single photon emission computed tomography (SPECT) scan, a large part of the head was missing in the reconstructed images on Philips Extended Brilliance Workspace (EBW) and IntelliSpace Portal (ISP) workstati...
Effective dose to adult patients from 338 radiopharmaceuticals estimated using ICRP biokinetic data, ICRP/ICRU computational reference phantoms and ICRP 2007 tissue weighting factors [0.03%]
基于ICRP生物动力学数据、计算参考体模和组织权重因子成人体有效剂量估算研究（338种放射性药物）
Martin Andersson,Lennart Johansson,David Minarik et al.
Martin Andersson et al.
Background: Effective dose represents the potential risk to a population of stochastic effects of ionizing radiation (mainly lethal cancer). In recent years, there have been a number of revisions and updates influencing t...
On transcending the impasse of respiratory motion correction applications in routine clinical imaging - a consideration of a fully automated data driven motion control framework [0.03%]
超越呼吸运动校正应用临床常规影像中的困境——一种全自动数据驱动的运动控制框架之思考
Adam L Kesner,Paul J Schleyer,Florian Büther et al.
Adam L Kesner et al.
Positron emission tomography (PET) is increasingly used for the detection, characterization, and follow-up of tumors located in the thorax. However, patient respiratory motion presents a unique limitation that hinders the application of hig...
Cluster-based segmentation of dual-echo ultra-short echo time images for PET/MR bone localization [0.03%]
基于簇的双回波超短TE图像分割方法在PET/MR骨定位中的应用
Gaspar Delso,Konstantinos Zeimpekis,Michael Carl et al.
Gaspar Delso et al.
Background: Magnetic resonance (MR)-based attenuation correction is a critical component of integrated positron emission tomography (PET)/MR scanners. It is generally achieved by segmenting MR images into tissue classes w...
Charles C Watson
Charles C Watson
From a technical perspective, there are fundamentally two forces driving the evolution of instrumentation in positron emission tomography (PET) and nuclear medicine generally: clinical needs and technical innovation. This essay considers so...
The contribution of physics to Nuclear Medicine: physicians' perspective on future directions [0.03%]
物理学在核医学中的贡献：从医师视角看未来方向
David A Mankoff,Daniel A Pryma
David A Mankoff
Background: Advances in Nuclear Medicine physics enabled the specialty of Nuclear Medicine and directed research in other aspects of radiotracer imaging, ultimately leading to Nuclear Medicine's emergence as an important ...
Thirty years from now: future physics contributions in nuclear medicine [0.03%]
从现在起三十年以后：核医学中的物理学贡献展望
Dale L Bailey
Dale L Bailey
Background: This paper is the first in a series of invited perspectives by pioneers of nuclear medicine imaging and physics. A medical physicist and a nuclear medicine physician each take a backward and a forward look at ...